Random-weight based genetic algorithm for multiobjective bilevel mixed linear integer programming. - Guocheng Zou; Liping Jia; Jin Zou (ICNC, 2012)

Solving Multiobjective Bilevel Transportation-Distribution Planning Problem by Modified NSGA II. - Liping Jia; Xin-Lei Feng; Guocheng Zou (CIS, 2013)

Combining TOPSIS and Particle Swarm Optimization for a Class of Nonlinear Bilevel Programming Problems. - Liping Jia; Guocheng Zou; Lei Fan (CIS, 2014)

Target-Vector Based Particle Swarm Optimization for Multi-objective Bilevel Programming Problem. - Liping Jia; Guocheng Zou; Zhonghua Li (CIS, 2015)